======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '242'
                                          'artist'  'The Dregs'
                                     'text_people'  'Steve Morse'
                                         'release'  'Progsoup 38'
                                           'title'  'Attila the Hun'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['hardcore', 'comedy', 'punk', 'irish', 'folk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '23'
                                      'tracktotal'  ''
                                            'date'  '1981'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive'
                                             'bpm'  '120.686'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

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'TALB' (Album/Movie/Show title)                     'Progsoup 38'
'TBPM' (BPM (beats per minute))                     '120.686'
'TCOM' (Composer)                                   'Steve Morse'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-progressive'
'TDRC' (Recording time)                             '1981'
'TIT2' (Title/songname/content description)         'Attila the Hun'
'TKEY' (Initial key)                                '10A'
'TLEN' (Length)                                     '242416'
'TPE1' (Lead performer(s)/Soloist(s))               'The Dregs'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Import'
'TRCK' (Track number/Position in set)               '23'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['hardcore', 'comedy', 'punk', 'irish', 'folk']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.07 dB'
'TXXX:replaygain_track_peak'                        '0.727282'

========================== row from database ==========================
                                              'id'  1414837
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 38 (fusionsoup)/2201 the dregs - attila the hun.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  242
                                           'genre'  rock-cppex-progressive
                                        'filesize'  5820040
                                           'mtime'  1620737299
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP progsoup (fusionsoup) 2201 dregs attila hun rock cppex progressive
                                      'tag_artist'  The Dregs
                                     'tag_release'  Progsoup 38
                                       'tag_title'  Attila the Hun
                                             'bpm'  120.686
                                    'search_title'  'attila':1 'hun':3 'the':2
                                   'search_artist'  'dregs':2 'the':1
                                  'search_release'  '38':2 'progsoup':1
                                     'search_rest'  '2201':5 'attila':7 'classicprogpsy':1 'cppex':10 'dregs':6 'fusionsoup':3,4 'hun':8 'progressive':11 'progsoup':2 'rock':9
                                    'search_combo'  '2201':12 '38':7C 'attila':1A,14 'classicprogpsy':8 'cppex':17 'dregs':5B,13 'fusionsoup':10,11 'hun':3A,15 'progressive':18 'progsoup':6C,9 'rock':16 'the':2A,4B
                                    'tag_tracknum'  23
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['hardcore', 'comedy', 'punk', 'irish', 'folk']
                                        'tag_date'  1981
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620737299.189769  (2021-05-11 14:48:19)
                             'size'  5820040